Axios

Jana Partners LLC, an activist hedge fund, and the California State Teachers’ Retirement System, a pension fund, have written a letter to Apple asking the tech giant to address the issue of teens and children overusing iPhones, the Wall Street Journal reports. The catch? Both are investors in Apple and together control $2 billion worth of shares.

The big picture: Big Tech companies, once the darlings of Silicon Valley, are facing a reckoning in Washington and around the country, with the most recent backlash against Apple spurring from the discovery that company was slowing down some older iPhones.

Bill Gates is guest editor of TIME’s “The Optimists” issue, featuring a cover portrait of 5-year-old Ethiopian Mohamad Nasir, whom Gates had met in 2012, less than a month after birth.

What happened: "Thirty years ago, 1 in 5 children in Ethiopia didn’t live to their fifth birthdays. Ethiopia wrestled down its mortality rates for children under five by two-thirds from 1990 to 2012. Mohamad is a reminder of how his fate, and the world’s, have changed.